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Description: matlab环境下的DWT的水印算法编程-Matlab environment DWT of the watermarking algorithm Programming
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Size: 2048 |
Author: 万仔 |
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Description: 多径信道下的OFDM仿真系统，包括编码，映射，交织，调制。信道估计采用判决反馈方法。
-Multipath channel simulation of OFDM systems, including encoding, mapping, interleaving, modulation. Channel estimation method using decision feedback.
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Size: 5120 |
Author: WU |
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Description: hr伯乐管理系统！非常适合java学员做学习参考用！是用集成框架开发的Struts+hrbernet+Spring 开发的-Bole hr management system! Java is ideal for students learning to do reference! Integration framework is developed Struts+ Hrbernet+ Spring development
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Size: 8697856 |
Author: 翟利 |
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Description: OFDM程序，这么安排矩阵的目的是为了构造共轭对称矩阵
共轭对称矩阵的特点是 在ifft/fft的矢量上 N点的矢量
在0，N/2点必须是实数 一般选为0
1至N/2点 与 （N/2）+1至N-1点关于N/2共轭对称- BPSK simulation using a carrier cosine wave with ISI
clc
close all
clear all
figure(1)
n=160
for i=1:n
data(i)= 2*round(rand)-1
end
create modulated BPSK signal
first expand the bit stream
exdata=[]
for i=1:length(data)
for rep=1:5
exdata= [exdata data(i)]
end
end
ts=.1
t=1:ts:80.9
carrier=cos(pi*t)
multiply expanded bitstream by cosine wave with carrier frequency
this is the BPSK that is to be transmitted over the channel
bpsk=carrier.*exdata
bpsk=[bpsk(length(bpsk)-1) bpsk(length(bpsk)) bpsk]
plot(bpsk)
generating the noise
p=rand(1,800)*2*pi
p=rand*2*pi
snr=10
r=sqrt(-1*(1/snr*log(1- rand)))
no = 5*(r.* exp(j*p))
no = (r.* exp(j*p))
value of alpha
al=rand+j*rand
al=1
Spreading channel with the alpha as the variable
for k=5:5:795
for l = 1:5
al=round(rand)+j*round(rand)
rec(k+l)=bpsk(k+l)+al*bpsk(k-5+l)
end
end
rxdata=rec+ no
begin demodulation
first multiply recie
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Size: 6146048 |
Author: 卞敏捷 |
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Description: 1.n个节点分段Lagrange插值多项式；
2.使用格式y=lagrange(x0,y0,x,k)；
3.输入项x0为n维插值节点向量，y0为n维被插函数值向量；
4.x为m维插值点向量，k为分段插值多项式次数，不超过3，缺省为k=1；
5.输出y为插值点x处的函数值；- 1.n a sub-node Lagrange interpolation polynomial 2. The use of the format y = lagrange (x0, y0, x, k) 3. Input x0 of interpolation nodes for the n-dimensional vector, y0 for n-dimensional vector function to be inserted 4.x interpolation points for the m-dimensional vector, k is the number of sub-polynomial interpolation, not more than 3, the default for k = 1 5. output y for the interpolation points x Department of function
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Size: 1024 |
Author: link |
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Description: ofdm仿真，对你会有好处的。
码要求为至少5个C或Java源码或其-ofdm simulink码要求为至少5个C或Java源码或其
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Size: 126976 |
Author: fengrujie |
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Description: Build a framework OFDM communication system, Target can be extracted in a picture you want, Independent component analysis algorithm reduces the raw data noise.
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Size: 5120 |
Author: vtpwuh
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Description: There is a well attenuation curve as input to calculate its seismic waves, Includes the modulation, demodulation, signal to noise ratio calculation, MIMO OFDM matlab simulation.
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Size: 8192 |
Author: fiufaikan
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Description: ofdm system simulation including 16qam modulation fft windowing modules plus cp, Partially achieved tracking speed iterative relaxation algorithm, NRZ type differential phase modulation signal modeling and simulation analysis.
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Size: 151552 |
Author: 彭志东
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